Table 2.

Primers used in this study

Primers	Sequence (5′ → 3′)
L3-F	CCGGAATTCATGGAAATTTTTGATTATATGCG
L3-R	CCCAAGCTTTTACCGCGGAAGCCTTTTTTC
RTL3-F	TGAAAGAACCGAAGCACG
RTL3-R	CCGTTCTTCCGCCATCC
L1up-F	CCAGTACTCTGCAGAATTCGCTCCTTTCATTTGGTCAG
L1up-R	GTAAGCAAAAATTTTAGTCATATATAATCTTCCTCCCCATC
D-F	GATGGGGAGGAAGATTATATATGACTAAAATTTTTGCTTAC
D-R	GAAGCCCGGCCGGCACAAATGCTTAGCCAACCTTAACTGGAG
L1down-F	CTCCAGTTAAGGTTGGCTAAGCATTTGTGCCGGCCGGGCTTC
L1down-R	GCCGAAAATATGCACTCGAGGATCAACCGGGTCAGTGCAG
77-F	CTGCACTGACCCGGTTGATCCTCGAGTGCATATTTTCGGC
77-R	CTGACCAAATGAAAGGAGCGAATTCTGCAGAGTACTGG
pL1D-L1F	CGGGGTACCAGCCTCATCGCCGGTTTCC
pL1D-L1R	TAGGCAACAACTTTTCTCATATATAATCTTCCTCCCCATC
pL1D-DF	GATGGGGAGGAAGATTATATATGAGAAAAGTTGTTGCCTA
pL1D-DR	CCCAAGCTTTCATACTTTTATCTCCCACCTGCTC
pDD-F	CGGGGTACCGCATTCGTCTGAGTGGGCC
pDD-R	CCCAAGCTTTCATACTTTTATCTCCCACCTG
pL1LD-pL1F	GATTGTGAAATTGAATTCGAGCTCGGTACCAGCCTCATCGCCGGTTTCCCTCGC
pL1LD-LDR	GAAACAGCTATGACCATGATTACGCCAAGCTTTTAGCCAACCTTAACTGGAGTTTC
pDLD-pDF	CTGATTGTGAAATTGAATTCGAGCTCGGTACCGCATTCGTCTGAGTGGGCCAAGG
pDLD-pDR	GTAAGCAAAAATTTTAGTCATACGACAGCTTCCTTTCCATTC
pDLD-LDF	GAATGGAAAGGAAGCTGTCGTATGACTAAAATTTTTGCTTAC
pDLD-LDR	CTATGACCATGATTACGCCAAGCTTGCATGCCTGCAGTTAGCCAACCTTAACTGGAG

Restriction sites in the primer sequences are underlined